Migrate error messages, part 12.

src/pattern-rewriter.cc

Index: src/pattern-rewriter.cc
diff --git a/src/pattern-rewriter.cc b/src/pattern-rewriter.cc
index 2319d1aaf73dd6f6a91746e490f45f7020f6fb30..949be73e295a24b941dde658f42a4168d89d5250 100644
--- a/src/pattern-rewriter.cc
+++ b/src/pattern-rewriter.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "src/ast.h"
+#include "src/messages.h"
 #include "src/parser.h"
 
 namespace v8 {
@@ -61,7 +62,7 @@ void Parser::PatternRewriter::VisitVariableProxy(VariableProxy* pattern) {
 
   if (descriptor_->declaration_scope->num_var_or_const() >
       kMaxNumFunctionLocals) {
-    parser->ReportMessage("too_many_variables");
+    parser->ReportMessage(MessageTemplate::kTooManyVariables);
     *ok_ = false;
     return;
   }